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Technical Data Sheet
PartsTable / MRO / 26003A
26003A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The KEY,TELEGRAPH is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, mounting_method: SCREW, contact_material: SILVER, activation_method: MANUAL, fsc_application_data: TELEGRAPH EQUIPMENT, mounting_configuration: FOUR NO. 18 DRILL MTG HOLES IRREGULARLY SPACED.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-00-665-1604, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 26003A
NSN: 5805-00-665-1604
FSC: 5805
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeRECTANGULAR
mounting_methodSCREW
contact_materialSILVER
contact_quantity2
activation_methodMANUAL
fsc_application_dataTELEGRAPH EQUIPMENT
mounting_configurationFOUR NO. 18 DRILL MTG HOLES IRREGULARLY SPACED
contact_surface_diameter0.156 INCHES IN
NSN5805-00-665-1604
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,TELEGRAPH TITLE COMPONENT PN 26003A MFR KEY,TELEGRAPH
KEY FEATURES
•
ACTIVATION METHOD: MANUAL
•
CONTACT SURFACE DIAMETER: 0.156 INCHES IN
•
FSC APPLICATION DATA: TELEGRAPH EQUIPMENT
•
CONTACT QUANTITY: 2
•
MOUNTING METHOD: SCREW
•
CONTACT MATERIAL: SILVER
•
SHAPE: RECTANGULAR
•
MOUNTING CONFIGURATION: FOUR NO. 18 DRILL MTG HOLES IRREGULARLY SPACED
TECHNICAL CHARACTERISTICS (FLIS)
ACTIVATION METHODMANUAL
CONTACT SURFACE DIAMETER0.156 INCHES IN
FSC APPLICATION DATATELEGRAPH EQUIPMENT
CONTACT QUANTITY2
MOUNTING METHODSCREW
CONTACT MATERIALSILVER
SHAPERECTANGULAR
MOUNTING CONFIGURATIONFOUR NO. 18 DRILL MTG HOLES IRREGULARLY SPACED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2814/3Interchangeable
interchangeable cross-reference
interchangeable
9694Interchangeable
interchangeable cross-reference
interchangeable
28143Interchangeable
interchangeable cross-reference
interchangeable
233CInterchangeable
Same NIIN cross-reference
interchangeable
K823695-40Interchangeable
Same NIIN cross-reference
interchangeable
1689-1001P2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26003A?
26003A is a KEY,TELEGRAPH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 26003A?
There are 8 known substitutes for 26003A: 2814/3, 9694, 28143 and 5 more. Substitute compatibility should be verified for your specific system.
Is 26003A still available?
26003A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026